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package main
import (
"github.com/dragonfireclient/hydra-dragonfire/convert"
"github.com/dragonfireclient/mt"
"github.com/yuin/gopher-lua"
"sync"
)
type MapBlk struct {
data *mt.MapBlk
pathNodes map[[3]int16]*PathNode
}
type Map struct {
mu sync.Mutex
pathfind bool
blocks map[[3]int16]*MapBlk
userdata *lua.LUserData
}
var mapFuncs = map[string]lua.LGFunction{
"block": l_map_block,
"node": l_map_node,
"path": l_map_path,
}
func getMap(l *lua.LState, idx int) *Map {
return l.CheckUserData(idx).Value.(*Map)
}
func newMap(l *lua.LState) *Map {
mp := &Map{}
mp.blocks = map[[3]int16]*MapBlk{}
mp.userdata = l.NewUserData()
mp.userdata.Value = mp
l.SetMetatable(mp.userdata, l.GetTypeMetatable("hydra.map"))
return mp
}
func (mp *Map) process(client *Client, pkt *mt.Pkt) {
switch cmd := pkt.Cmd.(type) {
case *mt.ToCltBlkData:
mp.mu.Lock()
defer mp.mu.Unlock()
blk := &MapBlk{}
blk.data = &cmd.Blk
if mp.pathfind {
if oldblk, ok := mp.blocks[cmd.Blkpos]; ok {
pathRemoveBlock(oldblk)
}
pathAddBlock(mp, blk, cmd.Blkpos)
}
mp.blocks[cmd.Blkpos] = blk
client.conn.SendCmd(&mt.ToSrvGotBlks{Blks: [][3]int16{cmd.Blkpos}})
}
}
func l_map(l *lua.LState) int {
mp := newMap(l)
mp.pathfind = l.ToBool(1)
l.Push(mp.userdata)
return 1
}
func l_map_block(l *lua.LState) int {
mp := getMap(l, 1)
var blkpos [3]int16
convert.ReadVec3Int16(l, l.Get(2), &blkpos)
mp.mu.Lock()
defer mp.mu.Unlock()
blk, ok := mp.blocks[blkpos]
if ok {
l.Push(convert.PushMapBlk(l, *blk.data))
} else {
l.Push(lua.LNil)
}
return 1
}
func l_map_node(l *lua.LState) int {
mp := getMap(l, 1)
var pos [3]int16
convert.ReadVec3Int16(l, l.Get(2), &pos)
blkpos, i := mt.Pos2Blkpos(pos)
mp.mu.Lock()
defer mp.mu.Unlock()
blk, blk_ok := mp.blocks[blkpos]
if blk_ok {
meta, meta_ok := blk.data.NodeMetas[i]
if !meta_ok {
meta = &mt.NodeMeta{}
}
lnode := l.NewTable()
l.SetField(lnode, "param0", lua.LNumber(blk.data.Param0[i]))
l.SetField(lnode, "param1", lua.LNumber(blk.data.Param1[i]))
l.SetField(lnode, "param2", lua.LNumber(blk.data.Param2[i]))
l.SetField(lnode, "meta", convert.PushNodeMeta(l, *meta))
l.Push(lnode)
} else {
l.Push(lua.LNil)
}
return 1
}
func l_map_path(l *lua.LState) int {
mp := getMap(l, 1)
if !mp.pathfind {
panic("map not configured to support path finding")
}
var src, dst [3]int16
convert.ReadVec3Int16(l, l.Get(2), &src)
convert.ReadVec3Int16(l, l.Get(3), &dst)
mp.mu.Lock()
defer mp.mu.Unlock()
l.Push(pathFind(mp, [2][3]int16{src, dst}, l))
return 1
}
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